设置高、低档风速，可视环境污染情况，自由选择，节能控制。

Set high, low wind speed, visual environmental pollution, freedom of choice, energy-saving control.

youdao

蒸发的速度与自由液面表面积，液体温度，液面风速等有关．。

Evaporation rate depends on the free surface area, the temperature, the flow rate above, etc.

youdao

蒸发的速度与自由液面表面积，液体温度，液面风速等有关．。

Evaporation rate depends on the free surface area, the temperature, the flow rate above, etc.

youdao